1、

The data of high-redshift SNe Ia could make constraints on the cosmic density parameters Ω M, Ω A as well as the deceleration factor qo, and hence determining the ultimate fate of our universe.

基于对邻近星系Ia超新星的理解,高红移Ia超新星的数据可对宇宙密度参数ΩM、ΩA及减速因子q0作出限制,并对膨胀宇宙的最终命运作出判定。

互联网摘选

2、

The traditional methods are usually subject to various kinds of constraints, because the traffic density is not well distributed and microcell structure quite irregular.

当各规划小区话务量分布不均匀和蜂窝小区结构不规则时,这种传统方法受到诸多限制。

互联网摘选

3、

Velocity and temperature field as well as wall heat flux density are obtained.

计算给出了炉内温度场、速度场及壁面热流密度分布的数值预报。

互联网摘选

4、

Bulk density and thickness well distributed, easy to process and install.

厚度与容重成正比,施工方便。

互联网摘选

5、

In particular, there is an optimal well number corresponding to the lowest threshold current density for MQW structure in the microcavity lasers.

特别是在微腔多量子阱结构中存在一个最佳阱数对应着阈值电流密度的最小值。

互联网摘选

6、

Overflow bearing gas happened while drilling B-1 Well with high density drilling fluids, with no timely shut well in, the down hole became more complicate, finally, side track was enforced for stuck pipe.

B-1井在采用高密度钻井液钻进过程中发生了含气溢流,由于未及时压井,使井下情况复杂化,最后因卡铅而被迫侧钻。

互联网摘选

8、

The catalyst simultaneously is also the nucleation center and transport during carbon nanotube growing, its selection, the preparation, as well as the carrier selection is very important for carbon nanotubes' coring, its growth rate, density, separation, purification and so on.

催化剂同时也是碳纳米管生长的成核中心和能量输运者,催化剂的选取、制备、以及载体的选取也将对碳纳米管的成核、生长速率、密度、分离、纯化等有很大影响。

互联网摘选

9、

The application of washing and well killing technology using low density foamy liquid

低密度泡沫液洗压井技术分析

互联网摘选

10、

The density profiles and the excess adsorption for Lennard-Jones ( LJ) fluid inside slit pores were determined by minimizing the grand potential and the results agreed well with the simulation data.

由巨势最小原理确定Lennard-Jones(LJ)流体在狭缝中的密度分布和过剩吸附量,所得结果与分子模拟数据吻合良好。

互联网摘选

11、

Analysis on the characters of seismic reflection, gravity filed, interval velocity, rock's density, tectonic features of depression, well_to_well interpretation and sedimentary facies of surroundings proved that Mesozoic marine strata are widespread in the eastern area of Pearl River Mouth basin.

从地震反射特征、重力场特征、层速度特征、岩石密度特征、坳陷构造形态特征、连井解释以及区域沉积相的研究,多个方面阐明了在珠江口盆地东部地区广泛存在中生代海相地层。

互联网摘选

12、

expressions of current density and joule heat source near the crack tip in an infinite plate under constant current were derived, as well as the temperature field and the stress field near the crack tip.

探讨了稳恒电流作用下无限大薄板裂纹尖端电流密度及焦耳热源功率的计算表达式,并进一步推导了裂纹尖端区域温度场及热应力场的分布形式。

互联网摘选

13、

furthermore, the magnetic field cannot change the total energy density distribution of ions, but the lorentz force does influence its movement state, and at the same time affects the ion energy distribution in every directions, as well as the incidence departure angle of ions.

此外,虽然磁场不能改变离子总的能量密度分布,却能改变离子的运动状态,并同时影响着基板上离子在各个方向上的能量分布和入射偏移角度。

互联网摘选

14、

It should have high density so as to balance pressure and improve the displacement efficiency in the well cementation for more and more high-density drilling fluid used in complex deep wells.

由于复杂深井中高密度钻井液的使用越来越多,因此在固井中为平衡压力、提高顶替效率,要求隔离液也有相应的高密度。

互联网摘选

15、

The key problem to apply drilling well of balance and pressure is strict control well liquid density. The important fact to effect well liquid density is the gas erosion.

严格控制钻井液密度是实施平衡压力钻井工艺的关键问题,而钻井液气侵是影响钻井液密度的重要因素。

互联网摘选

16、

Objective To research on the relationship between maternal calcium supplement during pregnancy and neonatal calcium salt deposit in metaphysis of long bone shaft of neonatal pups as well as the bone density, and provide the basis for treating infantile osteodysplasia caused by calciprivia in early clinical stage.

目的研究妊娠期母体补钙与新生儿长管状骨干骺端钙盐沉着的关系及其与发育过程中骨密度之间的关系,为临床早期处理儿童缺钙引起的骨发育障碍提供依据。

互联网摘选

17、

Within chromate-vitriol prescription, GW-1 additive can raise pretreatment velocity obviously and improve density, combining strength and uniform appearance, as well as stabilize the blacking chemical composition.

在铬酐硫酸体系的配方中,GW1复合添加剂可显著提高预处理的速度,改善氧化膜的致密性、结合强度和外观均匀性,同时还对黑化液具有稳定作用。

互联网摘选

18、

Properties testing showed that GSB 1 has such performances as centralized particle diameter, reasonable density and low disintegration rate in highly close pressure, so it can be used in deep well fracturing.

性能评价结果表明:GSB1型高强度支撑剂具有粒径分布集中,密度适中,高闭合压力下破碎率低等特点,适用于深井压裂;

互联网摘选

19、

Craft principle of vacuum dough mixing was analyzed, it possesses the features of sopping up the water fully, no air obstructing, aggrandizing regiment density and resting dough well.

研究分析了真空和面技术的工艺原理,在工艺上具有小麦粉充分吸水、无空气阻隔、面团密度增大、熟化状态佳的特性。

互联网摘选

20、

The application of the single-ground-motion analysis method shall meet the requirements of envelop of the power spectral density as well as fitting of the target response spectrum.

采用单组人工时程分析法不仅需要匹配目标反应谱,而且要满足功率谱密度的包络要求。

互联网摘选

  • 今日热词
  • 热门搜索

英语网英语词典(dict.25820.com)为您提供在线翻译英语词典单词大全英译汉汉译英等英语服务!可按单词字数词义分类查询。支持lj:关键词格式查询例句。

用户反馈
请选择反馈类型(可多选):
您的联系方式:
反馈内容:
提交成功 小编会尽快处理
回到顶部
点击反馈